Image authentication by detecting traces of demosaicing

@article{Gallagher2008ImageAB,
  title={Image authentication by detecting traces of demosaicing},
  author={Andrew C. Gallagher and Tsuhan Chen},
  journal={2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops},
  year={2008},
  pages={1-8}
}
With increasing technical advances, computer graphics are becoming more photorealistic. Therefore, it is important to develop methods for distinguishing between actual photographs from digital cameras and computer generated images. We describe a novel approach to this problem. Rather than focusing on the statistical differences between the image textures, we recognize that images from digital cameras contain traces of resampling as a result of using a color filter array with demosaicing… CONTINUE READING
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Columbia photographic images and photorealistic computer graphics dataset

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